Seiko Cal. 3831 - 729

Seiko 3831-729

The 3831-729 is a sought-after Solar piece from Seiko's golden era. Powered by the 3831 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-6e4331076054]

Also known as: World Timer

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
36mm
Case Thickness
13.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1967

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seikata-wm-6e4331076054